3889811100 has 324 divisors, whose sum is σ = 13836161304. Its totient is φ = 841155840.

The previous prime is 3889811047. The next prime is 3889811111. The reversal of 3889811100 is 11189883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 5306334 + ... + 5307066.

Almost surely, 2^3889811100 is an apocalyptic number.

3889811100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3889811100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6918080652).

3889811100 is an abundant number, since it is smaller than the sum of its proper divisors (9946350204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3889811100 is a wasteful number, since it uses less digits than its factorization.

3889811100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 39.

The square root of 3889811100 is about 62368.3501465286. The cubic root of 3889811100 is about 1572.6889562753.

The spelling of 3889811100 in words is "three billion, eight hundred eighty-nine million, eight hundred eleven thousand, one hundred".